UW Burke Herbarium species comparison

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Myriophyllum ussuriense

terrestrial water milfoil, Ussurian milfoil

Myriophyllum ussuriense
Flowering time June-August
Habitat Freshwater intertidal zone on mudflats. British Columbia south to Oregon; circumboreal.
Distribution
Occurring west of the Cascades crest in Washington, where known only from Wahkiakum County. British Columbia to Oregon; also in Eurasia.
[WildflowerSearch map]
[BONAP county map]
Origin Native
Conservation status Review Group 1 in Washington (WANHP)
Sibling taxa
M. aquaticum, M. heterophyllum, M. hippuroides, M. pinnatum, M. quitense, M. sibiricum, M. spicatum, M. spicatum × M. sibiricum, M. verticillatum
Web links 
Unless otherwise noted, all data comes from the University of Washington's Burke Herbarium.



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